Three are two file needed for import excel into database//first is import.php!--php$data = array();function add_person( $salutation, $first_name, $last_name, $email, $prefered_lang ){ global $data; $data []= array( 'salutation' => $salutation, 'first_name' => $first_name, 'last_name' => $last_name, 'email' => $email, 'prefered_lang' => $prefered_lang );}if($_POST['submit'] == 'Import'){if ( $_FILES['file']['tmp_name'] ){ $dom = DOMDocument::load( $_FILES['file']['tmp_name']...